//////////////////////////////////////////////////////////////////////////
//Copyright (c) 2011, linlin liu
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions are met:
//* Redistributions of source code must retain the above copyright
//notice, this list of conditions and the following disclaimer.
//* Redistributions in binary form must reproduce the above copyright
//notice, this list of conditions and the following disclaimer in the
//documentation and/or other materials provided with the distribution.
//* Neither the name of the <organization> nor the
//names of its contributors may be used to endorse or promote products
//derived from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
//ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
//DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
//(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
//ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
//(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//////////////////////////////////////////////////////////////////////////

#ifndef AMF_REFERENCE_H_
#define AMF_REFERENCE_H_

#include "amf0_integer.h"
#include "amf0_data_type.h"

namespace amf
{
class amf_reference : public amf0_data_type
{
public:
    static const AMF_TYPE TYPE = AMF_TYPE_REFERENCE;

public:
    AMF_TYPE get_type() const
    {
        return AMF_TYPE_REFERENCE;
    };

    void encode(char* const data) const
    {
        char *buf = data;

        amf_integer::encode<2>(buf, m_index);
    }

    boost::int32_t decode(const char *data, boost::uint32_t quota)
    {
        if (quota < 2)
            return AMF_DECODE_FAILED;

        m_index = amf_integer::decode<2>(data);

        return get_size();
    }

    const boost::uint32_t get_size() const
    {
        return sizeof(boost::uint16_t);
    }

    const std::string to_string() const
    {
        return "REFERENCE";
    }

private:
    boost::uint32_t m_index;
};
}

#endif // AMF_REFERENCE_H_